AA 882 then CZ 436 at O'Hare
Dallas-Fort Worth → Chicago → Shanghai
Timetable, Chicago time
23:59AA 882 from Dallas-Fort Worth at the gate
18:50CZ 436 to Shanghai leaves the gate
18 h 51 apart on the timetable, overnight
CZ 436 leaves 18 h 51 after AA 882 arrives on the timetable: more than half a day, so not a connection we count.